Information S14769EJ1V0IF00
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CHAPTER 4 CONTROL MEMORY
Q.4.1
The
µ
PD98409 has an on-chip control memory, but is it possible to connect additional memories such as SRAM
externally?
A.4.1
SRAM cannot be additionally connected. The
µ
PD98409 supports 64 VCs (as the on-chip control memory) for
transmission/reception.
Reference:
µ
PD98409 User’s Manual 5.2 Setting of Control Memory
Q.4.2
How long does it take for the control memory to be automatically initialized after reset?
A.4.2
It takes about 1024 clocks (BUSCLK input).
Reference:
µ
PD98409 User’s Manual 5.1 (2) Initializing control memory
Q.4.3
Are the contents of the control memory cleared to 0 when the control memory is automatically initialized after
reset?
A.4.3
When the control memory of the
µ
PD98409 is automatically initialized, the entire control memory is cleared to 0,
after which block numbers are written.
Reference:
µ
PD98409 User’s Manual 5.1 (2) Initializing control memory
